Home / 1,217,770.61-1,828,345.37-767,161.13

Finding the Fourth Proportional to 1,217,770.61, 1,828,345.37 and 767,161.13

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Solution

The fourth proportional to 1,217,770.61, 1,828,345.37 and 767,161.13 is: 1,151,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,770.61 : 1,828,345.37 = 767,161.13 : x
  2. Step 2: Convert to fraction form
    1,217,770.61/1,828,345.37 = 767,161.13/x
  3. Step 3: Cross multiply
    1,217,770.61x = 1,828,345.37 × 767,161.13
  4. Step 4: Simplify right side
    1,217,770.61x = 1,402,635,487,101.94
  5. Step 5: Solve for x
    x = 1,402,635,487,101.94/1,217,770.61
  6. Step 6: Final answer
    x = 1,151,806.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.